Air Quality in Ōmachi, Japan
Heavy Rain
13.4°C · 87.3% humidity
13.4°
Feels 13.4°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Ōmachi's air quality — share it
AQI Forecast
24
4am
24
24
20
7am
24
24
24
10am
24
27
34
1pm
54
54
54
4pm
34
34
27
7pm
27
27
25
10pm
27
27
27
1am
27
27
Air Quality Index Trend
45h · 4 stnŌmachi's air quality is influenced by industrial emissions, vehicle traffic, and regional pollution transport. Winter heating season and spring dust events typically create the most challenging air quality conditions.
87.3%
Humidity
15.0 km/h
Wind ESE
999.9 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
4.88 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Ōmachi?
Temperature & Precipitation
PM2.5 Trend
45h · 4 stationsPM2.54.88 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
What is the 7-day forecast for Ōmachi?
05-28
18.3° 3.4°
0.56 mm
05-29
15.2° 10.3°
64.0 mm
05-30
15.5° 9.8°
12.56 mm
05-31
15.1° 9.3°
0.94 mm
06-01
16.6° 10.6°
1.25 mm
06-02
17.2° 9.2°
1.12 mm
06-03
16.4° 9.9°
1.94 mm
Both models agree
Avg diff: 4.0°C
Where are air quality stations near Ōmachi?
45
Hokujo, Nagano Prefecture, Japan (国設八方尾根酸性雨北安曇郡白馬村)
50
Hokujo, Nagano Prefecture, Japan (国設八方尾根酸性雨北安曇郡白馬村)
21
Shinonoifusetakada, Nagano, Nagano Prefecture, Japan (篠ノ井長野市)
25
Shinonoifusetakada, Nagano, Nagano Prefecture, Japan (篠ノ井長野市)
What cities are near Ōmachi?
Get AQI alerts for Ōmachi
Notify me when air quality reaches:
Free · No account · Unsubscribe any time
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-28T22:51 UTC.